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google_func.php
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google_func.php
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<?php
/**
* Functions which can be used from plugin or cli.
*
* @version 1.0
* @author Stefan L. Wagner
*/
require_once(dirname(__FILE__) . '/../../vendor/autoload.php');
require_once(dirname(__FILE__) . '/google_addressbook_backend.php');
require_once(dirname(__FILE__) . '/xml_utils.php');
class google_func
{
public static $settings_key_token = 'google_current_token';
public static $settings_key_use_plugin = 'google_use_addressbook';
public static $settings_key_auto_sync = 'google_autosync';
public static $settings_key_auth_code = 'google_auth_code';
static function get_client()
{
$config = rcmail::get_instance()->config;
$client = new Google_Client();
$client->setApplicationName($config->get('google_addressbook_application_name'));
$client->setScopes('https://www.googleapis.com/auth/contacts.readonly');
$client->setClientId($config->get('google_addressbook_client_id'));
$client->setClientSecret($config->get('google_addressbook_client_secret'));
$client->setAccessType('offline');
if (google_func::has_redirect()){
$redirect_url = $config->get('google_addressbook_client_redirect_url', null);
if ($redirect_url == null){
$redirect_url = 'http'.(isset($_SERVER['HTTPS']) ? 's' : '')."://{$_SERVER['HTTP_HOST']}".parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH).'?_task=settings&_action=plugin.google_addressbook.auth';
}
}else{
$redirect_url = 'urn:ietf:wg:oauth:2.0:oob';
}
$client->setRedirectUri($redirect_url);
return $client;
}
static function has_redirect(){
$config = rcmail::get_instance()->config;
return $config->get('google_addressbook_client_redirect', false);
}
static function get_auth_code($user) {
$prefs = $user->get_prefs();
return $prefs[google_func::$settings_key_auth_code];
}
static function get_current_token($user, $from_db = false)
{
$prefs = $user->get_prefs();
return $prefs[google_func::$settings_key_token];
}
static function save_current_token($user, $token)
{
$prefs = array(google_func::$settings_key_token => $token);
if(!$user->save_prefs($prefs)) {
// TODO: error handling
}
}
static function is_enabled($user)
{
$prefs = $user->get_prefs();
return (bool)$prefs[google_func::$settings_key_use_plugin];
}
static function is_autosync($user)
{
$prefs = $user->get_prefs();
return (bool)$prefs[google_func::$settings_key_auto_sync];
}
static function google_authenticate($client, $user)
{
$rcmail = rcmail::get_instance();
$token = google_func::get_current_token($user);
if($token != null) {
$client->setAccessToken($token);
}
$success = false;
$msg = '';
try {
if($client->getAccessToken() == null || $client->getAccessToken() == '[]') {
$code = google_func::get_auth_code($user);
if(empty($code)) {
throw new Exception($rcmail->gettext('noauthcode', 'google_addressbook'));
}
$client->authenticate($code);
$msg = $rcmail->gettext('done', 'google_addressbook');
$success = true;
} else if($client->isAccessTokenExpired()) {
$token = json_decode($client->getAccessToken());
if(empty($token->refresh_token)) {
throw new Exception("Error fetching refresh token.");
// this only happens if google client id is wrong and access type != offline
} else {
$client->refreshToken($token->refresh_token);
$msg = $rcmail->gettext('done', 'google_addressbook');
$success = true;
}
} else {
// token valid, nothing to do.
$msg = $rcmail->gettext('done', 'google_addressbook');
$success = true;
}
} catch(Exception $e) {
$msg = $e->getMessage();
}
if($success) {
$token = $client->getAccessToken();
google_func::save_current_token($user, $token);
}
return array('success' => $success, 'message' => $msg);
}
static function google_sync_contacts($user)
{
$rcmail = rcmail::get_instance();
$client = google_func::get_client();
$auth_res = google_func::google_authenticate($client, $user);
if(!$auth_res['success']) {
return $auth_res;
}
$feed = 'https://www.google.com/m8/feeds/groups/default/full'.'?v=3.0';
$val = $client->getAuth()->authenticatedRequest(new Google_Http_Request($feed));
if($val->getResponseHttpCode() == 401) {
return array('success' => false, 'message' => $rcmail->gettext('googleauthfailed', 'google_addressbook'));
} else if($val->getResponseHttpCode() == 403) {
return array('success' => false, 'message' => $rcmail->gettext('googleforbidden', 'google_addressbook'));
} else if($val->getResponseHttpCode() != 200) {
return array('success' => false, 'message' => $rcmail->gettext('googleunreachable', 'google_addressbook'));
}
$xml = xml_utils::xmlstr_to_array($val->getResponseBody());
$gid = $xml['entry'][0]['id'][0]['@text'];
$feed = 'https://www.google.com/m8/feeds/contacts/default/full'.'?max-results=9999'.'&v=3.0'.'&group='.urlencode($gid);
$val = $client->getAuth()->authenticatedRequest(new Google_Http_Request($feed));
if($val->getResponseHttpCode() == 401) {
return array('success' => false, 'message' => $rcmail->gettext('googleauthfailed', 'google_addressbook'));
} else if($val->getResponseHttpCode() == 403) {
return array('success' => false, 'message' => $rcmail->gettext('googleforbidden', 'google_addressbook'));
} else if($val->getResponseHttpCode() != 200) {
return array('success' => false, 'message' => $rcmail->gettext('googleunreachable', 'google_addressbook'));
}
$xml = xml_utils::xmlstr_to_array($val->getResponseBody());
if(is_null($xml['entry'])) {
// When the user does not have any google contacts. Avoids PHP Warning in foreach.
return array('success' => true, 'message' => '0'.$rcmail->gettext('contactsfound', 'google_addressbook'));
}
$backend = new google_addressbook_backend($rcmail->get_dbh(), $user->ID);
$backend->delete_all();
$num_entries = 0;
foreach($xml['entry'] as $entry) {
//write_log('google_addressbook', 'getting contact: '.$entry['title'][0]['@text']);
$record = array();
$name = $entry['gd:name'][0];
$record['name']= trim($name['gd:fullName'][0]['@text']);
$record['firstname'] = trim($name['gd:givenName'][0]['@text']);
$record['surname'] = trim($name['gd:familyName'][0]['@text']);
$record['middlename'] = trim($name['gd:additionalName'][0]['@text']);
$record['prefix'] = $name['gd:namePrefix'][0]['@text'];
$record['suffix'] = $name['gd:nameSuffix'][0]['@text'];
if(empty($record['name'])) {
$record['name'] = $entry['title'][0]['@text'];
}
if(empty($record['name']) &&
empty($record['firstname']) &&
empty($record['surname']) &&
empty($record['middlename']) &&
!array_key_exists('gd:email', $entry)) {
continue;
}
if(array_key_exists('gd:email', $entry)) {
foreach($entry['gd:email'] as $email) {
list($rel, $type) = explode('#', $email['@attributes']['rel'], 2);
$type = empty($type) ? '' : ':'.$type;
$record['email'.$type][] = $email['@attributes']['address'];
}
}
if(array_key_exists('gd:phoneNumber', $entry)) {
foreach($entry['gd:phoneNumber'] as $phone) {
list($rel, $type) = explode('#', $phone['@attributes']['rel'], 2);
$type = empty($type) ? '' : ':'.$type;
$record['phone'.$type][] = $phone['@text'];
}
}
if(array_key_exists('link', $entry)) {
foreach($entry['link'] as $link) {
$rel = $link['@attributes']['rel'];
$href = $link['@attributes']['href'];
if($rel == 'http://schemas.google.com/contacts/2008/rel#photo') {
// etag is only set if image is available
if(isset($link['@attributes']['etag'])) {
$resp = $client->getAuth()->authenticatedRequest(new Google_Http_Request($href));
if($resp->getResponseHttpCode() == 200) {
$record['photo'] = $resp->getResponseBody();
}
}
break;
}
}
}
$num_entries++;
$backend->insert($record, false);
}
return array('success' => true, 'message' => $num_entries.$rcmail->gettext('contactsfound', 'google_addressbook'));
}
}